MACHINERY | WINDERS
Above:
Atlas has a TitanSlitter in its new US technology centre
portfolio for the flexpack industry. The eSlit is designed for film manufacturers and
converters who are looking for a straightforward, cost-effective way to process materials while maintaining high quality. Its focus on efficiency, ease of use, and cost savings makes it an option for those who want a simplified processing solution, it said. In addition, the model aims to reduce complex- ity – and the learning curve usually associated with traditional slitting systems. This helps film manufac- turers and converters implement the system quickly and efficiently – minimising downtime and maximising productivity.
Rewind challenge Roll-o-Matic says it has solved a rewinding challenge that the packaging industry has strug- gled with for decades.
It has developed a method that allows polymer bags to be wound with the open end first – at high-speed, without air becoming trapped in the bags. “This was done without compromising on
efficiency, environment or profits,” said the company. The market for automatic bag inserting is increasing – due to expansion in a number of
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industries. Most bag-packaging applications use inserter poly bags for hygienic, food safety and barrier protection purposes, says the company. When using bags in automatic bag inserter machines, converters typically want to unwind the premade bags with the bottom first (SOF = seal off first). This means that the opening of the premade bags comes out last. In many manual processes unwinding the roll with the bottom first could bring advantages, as this is the right position for filling the bag without needing to turn it around. Typical solutions to the problem have included: running at low speed; winding in a two-step process; and punching holes in bags to allow air to escape. However, these can be costly, ineffective and labour-intensive. Roll-o-Matic used extensive R&D and trials to find a new solution – using existing machinery and without compromising on automation or operator safety. It can be used both for in-line or out-of-line production. It consists of the premade bags coming through the sealing machine without a perforation. Instead, the perforator is located just at the inlet of the winder, so there is a very short distance from perforation to winding – minimising the risk of air getting trapped inside the bags. The process is patent pending. Winding is fully automatic, without the need to
pre-glue the cores. If an application requires the bag to be attached to the core, this can be done without contaminating the cores. This feature allows a paper core to be reused several times, saving resources and making production more sustainable. Conventional bags can also be run on the winder.
Technology centre Atlas Converting has opened a US technology centre along with Kampf – another slitter rewinder manufacturer that is part of the Jagenberg Group. The facility, in Charlotte, North Carolina, will help “North American customers gain new benefits
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IMAGE: ATLAS
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